Software Alternatives & Reviews


The Power Email App for busy professionals, like you.

Postbox Alternatives

The best Postbox alternatives based on verified products, community votes, reviews and other factors.
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  1. Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

  2. Mailbird is the best email client for Windows 7, 8 and 10

  3. Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

  4. eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.


  5. There’s big news attached.

  6. Secure email with absolutely no compromises. Get your free encrypted email account today.

    freemium €5.0 / Monthly (user - 5 GB)

  7. Mailspring is a mail client for Mac, Windows and Linux.

  8. Airmail is a lightweight and lightning fast mail client for Mac.

  9. Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues

  10. Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

    freemium $1.0 / Monthly (per user)

  11. Apps/Evolution - GNOME Wiki!

  12. Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

  13. Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response

Postbox Reviews

External sources with reviews and comparisons of Postbox

10 Alternatives to Thunderbird Reddit – Ease Your Email Life!
Outlook, an email client with a similar Microsoft interface and similar features to Thunderbird, should be considered by anyone using Microsoft Office. Many power users like PostBox for Windows and Mac, MailMate for Mac, and almost even The Bat for Windows to enjoy extra features and configuration options.
11 Best Thunderbird Alternatives That Make Email Easier
Next up, on our list of the best Thunderbird alternatives, we have PostBox. It is accessible for Windows and Mac. It offers some advanced features as you can point out particular folders as favorites for quick action.
10 Alternatives to Mozilla Thunderbird
Search is fast and powerful and includes files and images. Encryption is provided through Enigmail, as it is with Thunderbird. The layout and interface can be customized, while the Quick Bar enables you to take action on an email with a single click. You can even add experimental features with Postbox Labs.
Read all Postbox reviews →

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Author: | Publisher: SaaSHub
Categories: Email, Email Client, Enterprise Communication